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Neck pain can have several different causes. Here are some of the most common:

1. Poor posture: Sitting or standing with your head and shoulders forward or down for prolonged periods can strain the muscles and ligaments in your neck, leading to pain.

2. Injury or trauma: Whiplash from a car accident or a fall can cause damage to the muscles, tendons, and ligaments in the neck, leading to pain.

3. Degenerative changes: As we age, the discs between the vertebrae in our neck can wear down, leading to pain and stiffness.

4. Pinched nerves: A nerve in the neck can become compressed or pinched, leading to pain, numbness, or weakness in the neck, arms, or hands.

5. Arthritis: Osteoarthritis or rheumatoid arthritis can cause inflammation and pain in the neck.

6. Infection: An infection in the neck or throat can cause pain and swelling.

7. Tumors: Although rare, tumors in the neck can cause pain, swelling, or stiffness.

What causes neck pain and what can you do at home to self-treat it before seeking medical help.

Neck pain can be caused by a variety of reasons, including poor posture, muscle strain, injury, or underlying health conditions. Here are some ways to self-treat neck pain at home:

1. Apply heat or ice: Applying heat or ice to the affected area can help alleviate pain and reduce inflammation. Use a heating pad, hot water bottle, or warm towel for heat therapy, and a cold pack or ice wrapped in a towel for cold therapy. Alternate between heat and ice for 20 minutes at a time.

2. Stretching exercises: Gentle stretching exercises can help loosen up tight muscles and reduce pain. Slowly move your head up and down, side to side, and in circles. Do these exercises several times a day, but avoid any movements that cause pain.

3. Massage therapy: Gentle massage of the neck and shoulders can help relieve tension and ease pain. Use your fingertips to apply pressure in a circular motion, or use a foam roller or massage ball to roll out any knots.

4. Over-the-counter pain relief: Over-the-counter pain relievers such as ibuprofen, aspirin, or acetaminophen can help relieve neck pain. Follow the recommended dosage and talk to your doctor before taking any new medication.

5. Improve posture: Poor posture can contribute to neck pain. Practice good posture by sitting up straight, keeping your shoulders relaxed, and keeping your computer monitor at eye level.

If your neck pain persists or gets worse, seek medical attention. If you are experiencing chronic or recurring neck pain, it's important to see a doctor or healthcare professional to determine the cause and to get appropriate treatment.